fizzbuzz.test.ts

import {fizzbuzz} from './fizzbuzz'

describe('fizzbuzz', () => {
    describe('numbers that are not multiples of 3 or 5', () => {
        it.each([1,2,4,7,8,11])('returns %j unchanged', input => {
            expect(fizzbuzz(input)).toEqual(input)
        })
    })

    describe('numbers that are multiples of 3 but not 5', () => {
        it.each([3,6,9,12,18,21,24,27,33])('returns Fizz for %j', input => {
            expect(fizzbuzz(input)).toEqual('Fizz')
        })
    })

    describe('numbers that are multiples of 5 but not 3', () => {
        it.each([5,10,20,25,35,40,50])('returns Buzz for %j', input => {
            expect(fizzbuzz(input)).toEqual('Buzz')
        })
    })

    describe('numbers that are multiples of 3 and 5', () => {
        it.each([15,30,45,60,75])('returns FizzBuzz for %j', input => {
            expect(fizzbuzz(input)).toEqual('FizzBuzz')
        })
    })
})